JPG remains the workhorse format of the web — every camera, phone and CMS speaks it fluently. Our free Compress JPG tool shrinks JPG photos to smaller file sizes while keeping them looking sharp, with a simple quality slider that puts you in control.
Faster pages, cheaper bandwidth and happier visitors all start with lighter images. Whether you are optimizing a WordPress media library, preparing listings for an online marketplace, or just making vacation photos easier to share, this tool does the job in seconds. Nothing is uploaded: the compression runs entirely in your browser, so your photos stay private.
Pick a quality level, preview the savings, and download. Most web photos are perfect at 75–85% quality — often a tenth of the original file size with no visible difference.
There is an SEO angle here too: Google’s Core Web Vitals reward pages that load fast, and images are usually the heaviest resource on a page. Compressing your JPGs before uploading is one of the simplest on-page optimizations you can do — it lowers Largest Contentful Paint times, reduces bounce on mobile connections, and costs you nothing but a few seconds per image.
Compress JPG
Reduce JPG file size while keeping good image quality.
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How to use
- Click the drop zone and choose a JPG image.
- Set the quality slider — 80% is a great starting point.
- Click Compress JPG.
- Compare original vs. compressed size and the percentage saved.
- Click the download link to save the smaller JPG.
FAQs
What is a good quality setting for web use?
75–85% is the sweet spot: files shrink dramatically while looking identical on screens. Drop to 60–70% for thumbnails where fine detail matters less.
Does the image keep its dimensions?
Yes — only the encoding quality changes, so width and height stay exactly the same.
Is there a file size limit?
No hard limit, but very large photos (20+ megapixels) take a few seconds to process since everything runs on your device. If a file will not load at all, it may be corrupted or in an unsupported format — try re-exporting it as a standard JPG first.